2025 North American Youth Chess Ch. - Open U08

Open SwissStandard

23 players participated in this 9-round tournament, held from 18 Aug 2025 to 23 Aug 2025 in Kingston, ON, Canada. 2 federations represented. Top 10 Elo average was 802, and top seed was Devansh Vellanki (🇺🇸 USA, 1783).

Karson Lu (🇨🇦 CAN, 1731) won with 8.0/9, ahead of Devansh Vellanki (7.0) and Francis Zhou (7.0). Lu won solo starting round 4.

Location

🇨🇦Kingston, ON, Canada

Dates

18 Aug 2025 → 23 Aug 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇺🇸Devansh Vellanki1783

Avg top 10

802

Participants

Federations · 2 represented

🇨🇦Canada×9

🇺🇸United States of America×8

Top 3

🥇
Karson Lu
🇨🇦CAN·1731
8.0pts·2407perf+41.2
🥈
Devansh Vellanki
🇺🇸USA·1783
7.0pts·1715perf-8.4
🥉
Francis Zhou
🇺🇸USA
7.0pts·1547perf0.0

How it unfolded

Top 6 · 9 rounds

Karson Lu led from R4; +1.0-point edge over the runner-up.

Co-leaders

Lu8Vellanki7Zhou7Dai6.5Jiang6Wang5

R4–R9 · LEAD HELD

Karson Lu never relinquished the lead after R4; final gap +1.0 over the runner-up.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Karson Lu beat Devansh Vellanki (White).

WIN STREAKS · 3 top finishers

Karson Lu 8 wins (R1–R8)Devansh Vellanki 5 wins (R5–R9)Francis Zhou 4 wins (R6–R9)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Karson Lu	*	1	0	1
2Devansh Vellanki	0	*	1	1
3Francis Zhou	1	0	*	0
4Brian Dai	0	0	1	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Lu, Karson	1731	CAN	+20N	+21B	+4N	+2B	+8N	+6B	+7N	+5B	−3N	8.0	45.0	48.0	41.00	2407	+41.2
2	Vellanki, Devansh	1783	USA	F	+5N	+7B	−1N	+3B	+11N	+4B	+13B	+10N	7.0	46.5	46.5	38.50	1715	-8.4
3	Zhou, Francis	0	USA	+?N	−4B	+21N	+13B	−2N	+9B	+6N	+11B	+1B	7.0	43.5	43.5	30.00	1547	0.0
4	Dai, Brian	1504	USA	+23B	+3N	−1B	=5N	+12B	+8B	−2N	+16N	+6B	6.5	46.5	49.0	31.00	1534	+2.4
5	Jiang, Brooks	0	USA	+?N	−2B	+14N	=4B	=9N	+?N	+10B	−1N	+7B	6.0	41.0	41.0	20.25	1619	0.0
6	Wang, Bo-Yuan Nathan	0	USA	=8B	+?N	=16B	+7N	+10B	−1N	−3B	+9B	−4N	5.0	45.5	45.5	19.50	1471	0.0
7	Wang, Matthew	1535	USA	+22N	+15B	−2N	−6B	+17N	+18B	−1B	+8N	−5N	5.0	43.0	46.0	20.00	957	-17.6
8	Bernstein, Charles B	0	USA	=6N	+9B	+12N	+?B	−1B	−4N	=11B	−7B	+17N	5.0	42.5	42.5	18.25	1385	0.0
9	Divadalage, Sanul	0	CAN	=12B	−8N	+19B	+?N	=5B	−3N	+14B	−6N	+16B	5.0	39.5	39.5	17.25	1483	0.0
10	Iman Eini, Ali	0	CAN	+?B	+11N	−?N	+18B	−6N	+14B	−5N	+17B	−2B	5.0	34.5	34.5	16.50	862	0.0
11	Zinher, Dmytro	0	CAN	F	−10B	+?N	+16N	+?B	−2B	=8N	−3N	+12B	4.5	32.5	32.5	11.00	1615	0.0
12	FIDE 39987191	0	—	=9N	+19B	−8B	+?N	−4N	+?B	−13N	+18B	−11N	4.5	32.5	32.5	9.50	704	0.0
13	FIDE 29635497	0	—	−14B	+23N	=?B	−3N	+22B	+20N	+12B	−2N	−?B	4.5	32.0	32.0	13.50	862	0.0
14	Wang, Justin	0	CAN	+13N	−?B	−5B	+?N	+16B	−10N	−9N	=?B	+19N	4.5	28.0	28.0	12.00	1502	0.0
15	FIDE 2679434	0	—	+?B	−7N	=?B	−21N	=?B	−16N	+22B	=?N	+20B	4.5	18.5	18.5	6.50	699	0.0
16	Lee, Raphael	1463	CAN	=19N	+18B	=6N	−11B	−14N	+15B	+21N	−4B	−9N	4.0	37.0	40.0	15.25	704	-17.6
17	Pang, Justin	0	USA	−?N	+?B	−18N	+?B	−7B	+22N	+?B	−10N	−8B	4.0	21.5	21.5	3.00	738	0.0
18	Zheng Roy, Ethan	0	CAN	+?B	−16N	+17B	−10N	+21B	−7N	=?B	−12N	−?B	3.5	25.5	25.5	7.00	1240	0.0
19	Petrishki, Victor	0	CAN	=16B	−12N	−9N	−20B	−?N	+?B	+23B	+?N	−14B	3.5	24.0	24.0	4.50	1463	0.0
20	FIDE 2679418	0	—	−1B	−?N	=?B	+19N	+23N	−13B	−?N	+?B	−15N	3.5	23.0	23.0	6.00	931	0.0
21	Kalivarapu, Ishan	0	CAN	+?B	−1N	−3B	+15B	−18N	+?N	−16B	−?N	−23B	3.0	29.5	29.5	4.50	778	0.0
22	FIDE 2679426	0	—	−7B	−?N	+?B	=?B	−13N	−17B	−15N	=23N	+?B	3.0	20.5	20.5	1.25	735	0.0
23	FIDE 2665042	0	—	−4N	−13B	−?N	+?N	−20B	−?B	−19N	=22B	+21N	2.5	24.0	24.0	4.50	704	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Lu, KarsonCAN
+41.2
8.0 pts · #1
2Dai, BrianUSA
+2.4
6.5 pts · #7
3Divadalage, SanulCAN
0.0
5.0 pts · #10

Top rating losers

1Lee, RaphaelCAN
-17.6
4.0 pts · #21
2Wang, MatthewUSA
-17.6
5.0 pts · #17
3Vellanki, DevanshUSA
-8.4
7.0 pts · #4